Flapper valve blade for a concrete pump or the like



FIG. 1 is a top plan view of the flapper valve blade for a concrete pump, or the like, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear being the same as the front shown; and

FIG. 4 is an end elevational view thereof, the opposite end being the same as the end shown. 

The ornamental design for a flapper valve blade for a concrete pump or the like, substantially as shown and described. 